Answer:
its the measure of your body's ability to take oxygen from the atmosphere and use it to produce energy for your muscle cells.
Explanation:
Arrector pili muscle is the one with hair follicles that has a smooth muscle which is in an unconscious control rather than conscious control. This pull up the follicle causing the goose bumps then. Hope this is the right answer and will be of big help then.
Its a symptom of any number of things; Pericardial Tamponades (fluid buildup of sac surrounding heart), a heart contusion, a dysrhytmia like Ventricular Fibrillation or Ventricular Tachycardia...
The answer is B, afferent carries the stimuli